Mark DredzeTake a glance at the calendar: World Autism Awareness Day is just around the corner. As are World Health Day, World Lupus Day, and many more. One federal catalog lists 212 separate health-focused awareness days.

Health awareness days are ubiquitous. But does dedicating a day to a serious disease or to healthy living habits actually make a difference? That’s been difficult to determine because traditional methods, like telephone surveys, usually aren’t effective in gauging the effect of a single event occurring on a single day. A recent review of awareness days, for instance, found virtually no evidence of their impact. Excerpted from the Hub. To review the complete story, click here.